Watts Radiant introduces the Cable Trowel, a plastic trowel specially designed for use with the company’s SunTouch electric floor heating systems. According to the company, the Cable Trowel is safer, lighter and easier to use than metal trowels. The tool’s notch size is 3/8” by 3/8” and is suitable for larger tiles.For details, circle 153 on the Reader Inquiry Card.